Ascaris has three lips

One median dorsal and two ventrolateral

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All dorsal

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Two lateral and one ventral

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Two dorso-lateral and one median ventral

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Solution

The correct option is A One median dorsal and two ventrolateral
Ascaris belongs to the group of nematodes. This organism has three lips. There is one lip which is arranged as median dorsal and there are two lips which are arranged in the venterolateral position. There are sensory papillae in the lips.
Thus, the correct answer is option A.

Suggest Corrections

Set-I	Set-II
A) Stichonematic	I) Flagellum has two or more rows of lateral appendages
B) Pantonematic	II) Flagellum has no lateral appendages and terminal filament
C) Acronematic	III) Flagellum bears one row of lateral appendages
D) Anematic	IV) Flagellum does not lateral appendages and terminal part of the acroneme is naked